Multiple choice

Match the columns ||| |---|---| |Column-I (polymer) |Column-II (structural unit)| |a. Terylene|1. methyl methacrylate| |b. Nylon 6,6|2. vinyl chloride| |c. Perspex|3. ethylene glycol and dimethyl terephthalate| |d. PVC|4. hexamethylenediamine and adipic acid|

  1. a - 3, b - 4, c - 1, d - 2

  2. a - 2, b - 4, c - 1, d - 3

  3. a - 3, b - 1, c - 4, d - 2

  4. a - 2, b - 3, c - 1, d - 4

  5. a - 2, b - 3, c - 4, d - 1
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A Correct answer
Explanation

Terylene (polyester) is the condensation polymer of ethylene glycol and dimethyl terephthalate. Nylon 6,6 is the condensation polymer of hexamethylenediamine and adipic acid. Perspex (Polymethyl methacrylate) is prepared by the polymerisation of methyl methacrylate. Polyvinyl chloride (PVC) is formed by the polymerisation of vinyl chloride. Hence, the correct answer using the codes is a - 3, b - 4, c - 1, d - 2.

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